Ayyukan mai mai shine cikakken bayyanar tsarin mai mai da tsarin tsari. Gwajin aikin mai mai ba kawai yana da mahimmanci a cikin samarwa da aikin bincike ba, har ma yana da mahimmanci a cikin zaɓi da gwajin mai mai a sashen amfani.
Ana iya rarraba gwajin aikin mai mai mai zuwa matakai uku masu zuwa:
(1) An kimanta kayan aikin sinadarai na man shafawa a dakin gwaje-gwaje. Hanyar gwaji dole ne ta kasance mai wakilci, mai sauki da sauri.
(2) gwajin kwaikwayo. An gwada takamaiman kayan aiki na inji waɗanda ke mai da mai a ƙarƙashin daidaitattun yanayin gwaji (kamar zafin jiki, gudun, kaya, da dai sauransu). Yanayin gwaji da aka zaɓa zai iya kwaikwayon ainihin yanayin amfani.
(3) bench gwaji. An kimanta aikinsa bayan aiki na wani lokaci a kan injin da aka zaɓa bisa ga daidaitattun yanayi. Sakamakon gwajin injin na injin shine tushen ƙayyade ingancin mai na injin mai, wanda ke da mahimmanci musamman ga mai na injin mai.
Common gwajin kwaikwayo:

(1) Hudu Ball gwajin injigwajin kwaikwayo (Huduball)

Hudu Ball gwajin injiGwajin kwaikwayo na iya auna abrasion damping, wear resistance da matsin lamba na lubricating man fetur. Reduction iya nuna tare da friction coefficient "f"; Wear resistance aka nuna da abrasive diamita "d"; Matsakaicin matsin lamba yana nunawa ta hanyar iyakar nauyin cin katin "PªB" da nauyin sintering "PªD".

Jihar misali gwaji hanyoyin ne GB / T 12583 lubricant dauki ikon gwaji hanyar, SH / T 0189 lubricant man fetur lalacewa aikin gwaji hanyar, SH / T 0202 lubricant man fetur huɗu spherical inji matsin lamba gwaji hanyar, SH / T 0204 lubricant man fetur huɗu spherical inji lalacewa gwaji hanyar. A kasashen waje misali gwaji hanyoyin ne Amurka ASTM D 2783 lubricating man fetur matsin lamba gwaji, ASTM D4172 lubricating man fetur tsayayya gwaji, ASTM D2596 lubricating man fetur matsin lamba gwaji, ASTM D2266 lubricating man fetur tsayayya gwaji.

(2) Timken gwajin injigwajin simulation

Timken gwajin injiGwajin kwaikwayo yana tantance ƙwarewar ƙwaƙwalwa na mai mai mai, tare da ƙimar OK a matsayin ƙididdigar ƙididdiga.
China misali gwaji hanyar da GB / T 11144 lubricating man fetur matsin lamba gwaji hanyar http://www.jnshiyanji.com.cn/product/187.html .
A kasashen waje misali gwaji hanyoyin ne Amurka ASTM D2782 lubricating man fetur matsin lamba gwaji hanyar, ASTM D2509 lubricating man fetur matsin lamba gwaji hanyar.
(3) Falex gwajin injigwajin simulation
Falex gwajin injiGwajin kwaikwayo na iya tantance matsin lamba da juriya na lubricant, tare da nauyin lokacin da gwajin ya kasa (cin katin ya faru) a matsayin alamar tantance. China misali gwaji hanyoyin ne SH / T 0187 lubricating man fetur matsin lamba gwaji, SH / T 0188 lubricating man fetur tsayayya gwaji.Hanyoyin gwajin misali na kasashen waje sune ASTM D 4007 na Amurka don auna matsin lamba na ruwa na ruwa (nau'in O), ASTM D2670 da 2714 na misali don auna halayen lalacewar ruwa na ruwa (nau'in I).
(4) Mai mayar da hankali panel gwaji
Gwajin mai mayar da hankali shine yanayin mai mayar da hankali don tantance kwanciyar hankali na mai mai mai dumama tare da ɗan gajeren lamba da babban zafin jiki (310 ~ 320 ℃) na aluminum. Wannan hanyar tana da wata alaƙa da gwajin injin Caterpillar 1H2 da 1G2.
China misali gwaji hanyar ne SH / T 0300 crankshaft akwatin kwaikwayon gwaji hanyar. Hanyoyin gwajin misali na kasashen waje sune gwajin FTM 3462 na Amurka (QZX).
(5) Hanyar auna ƙarancin zafin jiki
Ana amfani da hanyar ƙananan zafin jiki don auna ƙananan zafin jiki na injin mai a ƙarƙashin -50 ~ -30 ℃ a ƙarƙashin ƙimar yankan. Sakamakon da aka samu ya shafi farawa na injin. Tsarin gwajin misali na kasar Sin shine GB / T 6538 hanyar auna viscosity na injin mai (hanyar kwaikwayon injin sanyi).Hanyoyin gwajin ƙasashen waje na yau da kullun sune hanyar ƙididdigar viscosity (CCS) a ƙarancin zafin jiki na ASTM D 2602 na injin injin.
(6) Low zafi famfo m hanyar
Ana amfani da low zafin jiki famfo m don hango iyakar famfo zafin jiki a cikin -40 ~ 0 ℃ kewayon a ƙarƙashin yankan kudin injin man fetur.
China misali gwaji hanyar ne GB / T 9171 tsinkaya injin man fetur iyaka famfo yanayin zafi.
A kasashen waje misali gwaji hanyoyin ne Amurka ASTM D3830 hasashen injin lubricating man fetur iyaka famfo zafin jiki (MRV).
(7) Hanyar auna kwanciyar hankali ta yanke (hanyar ultrasonic)
Tsarin kwanciyar hankali na yanke don tantance kwanciyar hankali na yanke ta hanyar raguwar ƙimar viscosity na man fetur.
Hanyoyin gwajin misali na kasar Sin sune hanyar auna kwanciyar hankali na yankan polymer mai ƙunshi SH / T 0505 (hanyar ultrasonic), hanyar auna kwanciyar hankali na yankan mai mai ƙunshi SH / T 0200 (hanyar injin kayan aiki).
A kasashen waje misali gwajin hanyoyin ne Amurka ASTM D 2603 dauke da polymer lubricating man fetur ultrasonic yankan kwanciyar hankali gwajin hanyar.
(8) FZG Giya gwajin
Ana amfani da gwajin FZG na kayan aiki don auna ƙarfin ɗaukar nauyin lubricant da aka yi amfani da shi a karfe zuwa karfe madaidaiciya, a matsayin nauyin kaya.
Hanyar gwajin misali ta kasar Sin tana da hanyar ƙididdigar ƙarfin ɗaukar lubricant SH / T 0306. Hanyoyin gwaji na kasashen waje sune CEC L-07-A-71 na Turai, IP 334 na Burtaniya da DIN 51354 na Jamus da sauransu.
(9) Wheel bearing grease rasa yawan gwaji
Wheel bearing grease rasa yawan gwaji auna bearing rasa yawan, kwaikwayon grease aiki aiki a mota ƙafafun bearings.
China misali gwaji hanyar ne SH / T 0326 lubricant bearing rasa yawan gwaji hanyar.
A kasashen waje misali gwaji hanyoyin ne Amurka ASTM D1263 mota ƙafafun bearing grease rasa hanyar.
(10) lubricating mai madaidaicin gwajin injigwajin simulation
Lubricating mai madaidaicin gwaji MachineAnalog gwaji don auna a kan madaidaicin gwajin injiMechanical kwanciyar hankali na matsakaicin lubricating grease.
China misali gwaji hanyar ne SH / T 0122 lubricant madaidaicin kwanciyar hankali hanyar.
A kasashen waje misali gwaji hanyoyin ne Amurka ASTM D 1831 lubricant madaidaicin kwanciyar hankali.
(11) High zafi bearing gwajin
High zafin jiki bearing gwajin dace da kimanta aikin aiki na lubricating grease a cikin haske load juriya bearings a karkashin high zafin jiki, high juyawa yanayi. Matsakaicin zafin jiki na 180 ° C. China misali gwaji hanyar ne SH / T 0428 aiki aiki aiki gwaji a high zafin jiki grease a anti-wear bearings.A kasashen waje misali gwaji hanyoyin ne Amurka FS 791B331.2 babban zafin jiki grease aiki aiki aiki gwaji a anti-wear bearings.
(12) Gwajin kayan aiki na lubricant
Gwajin kayan aiki na lubricant yana amfani da shi don auna darajar kayan aiki na lubricant don nuna kayan aikin lubricant na lubricant.
China misali gwaji hanyar ne SH / T 0427 lubricating kayan aiki lalacewa hanyar. Hanyoyin gwajin ƙasashen waje na yau da kullun suna da hanyar ƙididdigar kayan aiki na Amurka FS 791 B335.2.
Yawancin amfani da bench gwaji:
(1) Gasoline injin rack gwaji
Sakamakon gwajin injin man fetur shine tushen ƙayyade ingancin man fetur.
① MS IID injin gwajin da aka yi amfani da su don tantance ikon mota lubricating man a kan bawul rukunin anti-lalata ko lalata a karkashin low zafin jiki da kuma gajeren tafiya yanayi, don tantance API SE, SF, SG matakin man fetur.
Hanyar gwajin misali ta kasar Sin tana da SH / T 0512 hanyar ƙididdigar zafin jiki na zafin jiki na man fetur (MS tsarin IID).
Hanyoyin gwajin ƙasashen waje suna da MSIID ASTM STP 351HI.

② MS ②D injin gwajin da aka yi amfani da su don tantance mai mai lubricating high zafin jiki oxidation, thickening, mai launi da kuma fenti film deposition, injin lalacewa ikon, don tantance API SE, SF-grade gasoline injin man fetur.Tsarin gwajin misali na kasar Sin shine SH / T 0513 hanyar ƙididdigar zafin jiki na man fetur da kuma lalacewa (hanyar MS III D).
A kasashen waje misali gwaji hanyoyin ne MS III D ASTM STP 315H-II. Yana da kyau a yi amfani da shi.

②MSAna amfani da ikon tantance high zafi oxidation, thickening, mai da kuma fenti film deposition, injin lalacewa na injin lubricating man, don tantance API SG, SH, SJ-grade gasoline man fetur.
A kasashen waje misali gwaji hanyoyin ne MS III E ASTM STP 315H-II. Yana da kyau a yi amfani da shi.

② MS VD injin gwajin da aka yi amfani da su don tantance ikon injin lubricating man fetur tsayayya da lakar, zane-zane deposition da bawul rukuni lalacewa, don tantance API SE, SF-grade man fetur. Hanyar gwajin misali ta kasar Sin shine SH / T 0514 hanyar ƙididdigar ƙananan zafin jiki na man fetur (hanyar MS ta V D).
A kasashen waje misali gwaji hanyoyin ne MS VD ASTM STP 315H-III. Yana da kyau a yi amfani da shi.

② MS VE injin gwajin da aka yi amfani da su don tantance ikon injin lubricating man fetur tsayayya mai, paint fim deposition da kuma bawul rukunin lalacewa lalacewa don tantance API SG, SH, SJ, SJ, SJ darajar gasoline injin man fetur. A kasashen waje misali gwaji hanyoyin ne MS VE ASTM STP 315H-III. (2) Diesel injin rack gwaji
Sakamakon gwajin injin diesel shine tushen ƙayyade ingancin man fetur na injin diesel.
① Ana amfani da gwajin injin Caterpillar 1H2 don tantance ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙira
Hanyar gwajin misali ta kasar Sin tana da hanyar kimanta aikin man fetur na GB / T 9932 (Hanyar 1H2 ta Caterpillar).
Hanyoyin gwajin ƙasashen waje suna da hanyar gwajin injin Caterpillar 1H2 ta ASTM STP 509A-II.
② Ana amfani da gwajin injin Caterpillar 1G2 don tantance haɗuwa da zobe, zube da silinda lalacewa, ajiyar piston don tantance API CD, CD-II, CE mai mai mai.
Hanyar gwajin misali ta kasar Sin tana da hanyar kimanta aikin man fetur na GB / T 9933 (Hanyar Caterpillar 1G2).
Hanyoyin gwajin ƙasashen waje suna da hanyar gwajin injin Caterpillar 1G2 ta ASTM STP 509A-I.
②CRC L-38 injin gwajin da aka yi amfani da su don tantance oxidation da kuma shaft tile lalata kayan aiki na ciki mai a karkashin high zafi yanayi.
Hanyoyin gwajin misali na kasar Sin sune SH / T 0265 hanyar ƙididdigar zafin jiki na man fetur na injin mai da hanyar ƙididdigar lalata ta shaft tile (L-38).
Hanyoyin gwajin misali na kasashen waje sune FED 3405.2 (L38), FTM 791-3405 hanyar kimanta aikin lubricant.
(3) Giya mai rack gwaji
①CRC L-37 high torque gwajin da aka yi amfani da su don tantance kayan aiki lubricant daukar damar, lalacewa da kuma matsin lamba halaye don tantance API GL-5 motar kayan aiki man fetur.
A kasashen waje misali gwaji hanyoyin ne Amurka FTM 6506.1 high torque baya gada gwaji.
②CRC L-42 babban gudun tasiri gwajin da aka yi amfani da su don kimanta da juriya scratch aiki na kayan aiki lubricants don kimanta API GL-5 motar kayan aiki man fetur.
A kasashen waje misali gwajin hanyoyin ne Amurka FTM 6507.1 high-gudun tasiri gwajin. ②CRC L-33 gear lubricant da zafi lalata gwajin da aka yi amfani da don kimanta ruwa gear man a kan karfe sassa lalata yanayin, don kimanta API GL-5 motoci gear man. Hanyoyin gwajin misali na kasashen waje sun kasance gwajin lalata mai zafi na FTM 5326.1 gear lubricant na Amurka.
②CRC L-60 gear lubricant zafi oxidation kwanciyar hankali gwajin da aka yi amfani da don tantance zafi oxidation kwanciyar hankali na kayan aiki man, don tantance API GL-5 motar kayan aiki man.
Hanyar gwajin misali ta kasar Sin tana da hanyar kimanta kwanciyar hankali ta zafi mai mai zafi na kayan aiki na GB / T 8119 (L-60).
A kasashen waje misali gwaji hanyoyin ne Amurka FTM 2504 CRC L-60 zafi oxidation kwanciyar hankali gwaji.
(4) Na'ura mai amfani da ruwa rack gwaji
Gwajin famfo na famfo yana amfani da V-104 famfo na famfo don tantance jimlar yawan lalacewa na famfo, wanda aka nuna da adadin milligrams na jimlar rashin nauyin famfo na famfo da stator bayan gwajin.
Hanyar gwajin misali ta kasar Sin tana da SH / T 0307 hanyar ƙididdigar kayan aikin mai amfani da ruwa mai amfani da ruwa mai amfani da ruwa mai amfani da ruwa mai amfani da ruwa mai amfani da ruwa (hanyar famfo mai amfani da ruwa).

Hanyoyin gwajin misali na kasashen waje sune Amurka ASTM D 2882, Burtaniya IP 281 V-104 lambar famfo gwajin mai na injin mai dole ne ya wuce gwajin injin rack kamar yadda ke ƙasa. Shekarar da aka buga API Rating Gasoline Engine Oil Shirin II Shirin III Shirin V Shirin VI 1964 SC L-38 IIA IIA VA 1968 SD L-38 IIB IIB VB 1972 SE L-38 IIC IIC VC 1980 SF L-38 IID IID VD 1988 SG L-38 IID IIE VE 1994 SH L-38 IID IIE VE VI 1997 SJ L-38 IID IIE VE VI A Shekarar da aka buga API Rating Diesel Engine Oil 1970 CC L-38，Caterpillar 1H2 1970 CD L-38，Caterpillar 1G2 1987 CE L-38，Caterpillar 1G2，MACK T-6，MACK T-7，NTC-400 1988 CD- Ⅱ L-38，Caterpillar 1G2，6V-53T 1991 CF-4 L-38，Caterpillar 1K，Mack T-6、MACK T-7，Cummins NTC 400 1995 CF L-38，Caterpillar 1MPC 1995 CF-2 L-38，Caterpillar 1MPC、6V-92TA 1994 CG-4 L-38，MS IIE, Caterpillar 1N, Mack T-8, GM6.2L A watan Janairu na 1996, Kungiyar Masu Gina Mota a Turai (wanda aka sani da ACEA) ta ƙayyade da kuma saki sabon nau'in injin injin mai ƙonewa bisa ga sakamakon gwajin injin injin da aka tsara a Turai, wato, man fetur na mota: A1-96, A2-96, A3-96; Mota mai mai: B1-96, B2-96, B3-96; Nauyi nauyin diwal mai: E1-96, E2-96, E3-96.